: Data-Field 131834

Data-Field 131834

Description:	Date L97 first reported (ulcer of lower limb, not elsewhere classified)
Category:	Health-related outcomes ⏵ First occurrences ⏵ Skin and subcutaneous tissue disorders

Participants

4,437

Date

Both sexes

Jul 2019

4,437

Data

Singular

Sep 2024

Ongoing

Derived

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Data

4,437 items of data are available, covering 4,437 participants.
Some values have special meanings defined by Data-Coding 819.

Maximum	2024-05-23
Decile 9	2021-12-16
Decile 8	2021-01-02
Decile 7	2019-11-18
Decile 6	2018-09-17
Median	2017-04-17
Decile 4	2015-08-12
Decile 3	2013-09-01
Decile 2	2011-02-19
Decile 1	2006-10-05
Minimum	1970-01-01

There are 3049 distinct values.
Mean = 2015-08-30
15 items below graph minimum of 1991-07-25

Notes

Date of the first occurrence of any code mapped to 3-character ICD10 L97. The code corresponds to "ulcer of lower limb, not elsewhere classified". Note that events which were apparently before birth were omitted when constructing this data field.

Coding 819 defines 6 special values:

1900-01-01 represents "Code has no event date"
1901-01-01 represents "Code has event date before participant's date of birth"
1902-02-02 represents "Code has event date matching participant's date of birth"
1903-03-03 represents "Code has event date after participant's date of birth and falls in the same calendar year as date of birth"
1909-09-09 represents "Code has event date in the future and is presumed to be a place-holder or other system default"
2037-07-07 represents "Code has event date in the future and is presumed to be a place-holder or other system default"

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